US1284523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accelerator attachment.
Assignee: WILLIAMS-BROTHERS AIRCRAFT Corp
•
Filing: 1916-11-04
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Granted: 1918-11-12
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Expires: 1936-11-04
Abstract
No abstract record available.
Inventors
- 👤 Lloyd M Williams
- 👤 Percy J Williams
- 👤 Chester L Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:11
CPC Classifications
B; B60; B60K; B60K26/00; B60K26/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20213; Y10T74/2022; Y10T74/20226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1921-11-11 | 1922-05-13 | 1922-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-11-11 | 1926-05-13 | 1926-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-11-11 | 1930-05-13 | 1930-11-12 | $7700.00 | Window Closed / Lapsed |